홈 > Term: border facies
border facies
The marginal portion of an igneous intrusion, which differs in texture and composition from the main body of the intrusion, possibly because of more rapid cooling or assimilation of material from the country rock.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)
